Ranka is hired to act for a supporting role in the movie, Bird Human, which re-tells the legend between the pilot Shin Kudo, the Mayan priestess Sara Nome and her sister Mao, and the Birdman, a mysterious alien artifact (See Macross Zero OAV series). Meanwhile, Sheryl and Alto are also on site because Sheryl is providing some of the songs for the movie. At the end of the movie production, the relationships between Alto, Ranka, and Sheryl get a lot more complicated.